The Present is the Key to the Past: a Journey to Organic-rich Environments


Day 1 : Sedimentology and Reservoir Architecture of Ancient Mahakam Delta
11th September 2025
05:00-06:30 Travel from Hyatt to NYIA Airport
06.30-08.30 Flight check in and baggage drop-off
08:30-10:35 Flight to Balikpapan Airport
10:35-13:00 Baggage clearing, travel to Pertamina Hulu Mahakam and Lunch break
13:00-15:00 Core workshop at Pertamina Hulu Mahakam
15:00-17:00 Travel to Samarinda
17:00-19:00 Dinner on Mahakam River
19.00-19.15 Moving to Hotel
19:15-19.30 Hotel check in



Day 2 : Sedimentology and Reservoir Architecture of Modern Mahakam Delta
12th September 2025
07:30-07:40 Safety Induction (@ Hotel Lobby)
07:40-08:10 Moving to Pasar Pagi Harbour
08:10-08:30 Boat Boarding
08:30-09:00 Moving to Tanjung Una
09:00-09:45 Stop 1: Discussion on delta apex morphology and peat (core examination)
09:45-10:15 Moving to Tanjung Buntal
10:15-11:00 Stop 2: Channel traversal sounder, Distributary channel morphology and sedimentation
11:00-11:30 Moving to Muara Buyit
11:30-12:15 Stop 3: Discussion on delta mouthbar and sedimentation (core examination)
12:15-12:45 Moving to Sepatin
12:45-13:30 Lunch Break at Sepatin Village
13:30-14:00 Moving to Tanjung Bayur Peat Beach
14:00-15:00 Stop 4: Discussion on detrital peat on delta front environment (core examination)
15:00-16:00 Moving back to Pasar Pagi Port
16:00-16:15 Moving to hotel and early rest








Day 3 : Present Day Mire of Semayang Lake and Ecosystem of Pesut Mahakam
13th September 2025
07:00-07:10 Safety Induction and Briefing
07:10-10:00 Travel to Kotabangun
10:00-10:30 Boat boarding from Kota Bangun to Pela Village
10:30-12:00 Explanation about Pesut Mahakam and Geological Conditions at Pela Village
12:00-13:00 Lunch
13:00-15:00 Peat Coring at Semayang Lake and Surrounding Area
15:00-15:30 Boat boarding from Pela Village to Kotabangun
15:30-18:30 Travel to Samarinda
18:30 onward Dinner




Day 4 : Miocene Coal-Bearing Formation
14th September 2025
07:00-07:10 Safety Induction and Briefing
07:10-09:00 Travel to Mining Site
09:00-10:00 Safety Induction + Introduction to Regional Geology of Mining Area
10:00-11:00 Travel to mine site (snack time)
11:00-11:30 Stop site-1
11:30-12:30 Stop site-2
12:30-13:00 Stop site-3
13:00-14:00 Travel to restaurant
14:00-15:00 Late lunch
15:00-17:00 Moving to Balikpapan + hotel check in



Day 5 : Return to Yogyakarta
15th September 2025
04.00-05.00 Hotel checkout
05.00-05.30 Moving to Balikpapan Airport*
07.00-07.50 Flight BPP-NYIA
07.50-08.30 Baggage clearance
08.30-Onward Travel from NYIA to hotel**
*If you wish a direct flight from Balikpapan to Jakarta, please confirm via email ugrg.ft@ugm.ac.id. We only provide transport from Hotel to Balikpapan Airport at the appointed time flight to Yogyakarta (NYIA)
**We will provide transportation to the hotel where participants will stay at. Please note that the conference-provided accommodation is available only until the end of the event. If you plan to stay in Yogyakarta beyond September 15th, you will need to arrange additional room bookings separately.
If you have any difficulties to access the registration submission link, please find the registration form here and send an email to: ugrg.ft@ugm.ac.id
Registration Fees

Account Number: 4141420254
Payee: THE 41ST TSOP ANNUAL MEETING KELOMPOK
Bank: Bank Negara Indonesia (BNI)
Branch: UGM Yogyakarta
Address: Sekip Blok L 5, Bulaksumur, Caturtunggal, Depok, Sleman
City: Yogyakarta
State: Indonesia
ZIP Code: 55281
Swift Code: BNINIDJAXXX
Please submit the proof of payment to ugrg.ft@ugm.ac.id
Included Services
- Accommodation for 4 nights (3 nights at Samarinda and 1 Night at Balikpapan): single room for professional and twin-share room for student.
- Round trip accommodation for Yogyakarta (NYIA) – Balikpapan (BPN) – we will use Pelita Air for the flights. Any further information can be accessed through Pelita Air Website
- Fieldwork kits and daily amenities (2 x 600 ml water bottle)
- Meals as marked (B-breakfast, L-lunch, D-dinner)
- Day 1 : L, D
- Day 2 : B, L
- Day 3 : B, L, D
- Day 4 : B, L
- Day 5 : B